Romasko joins Tesoro from Suncor Energy Inc., where he most recently held the positions of vice-president, operations integrity and vice-president, technical operations and competence.

Romasko worked for over 20 years with ConocoPhillips, where he built his extensive experience in the refining industry. Romasko also worked for Petro-Canada as the general manager of their Fort Hills syncrude operations, which merged with Suncor in 2009.